Publication | Closed Access
Proximity of galactic civilizations
27
Citations
9
References
1975
Year
Search For Extraterrestrial IntelligenceGalaxy FormationLarge Scale StructureGalactic Civilizations
| Year | Citations | |
|---|---|---|
1959 | 2.3K | |
1974 | 1.6K | |
1963 | 459 | |
1967 | 331 | |
1963 | 76 | |
1961 | 58 | |
1971 | 29 | |
1966 | 19 | |
1975 | 17 |
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